Glossary · Crawling and indexing
Image sitemap
Sitemap extensions describing images associated with pages. They support discovery, not ownership, licensing, image indexing, or appearance in results.
Terms this definition uses
Crawling and indexing
How a crawler discovers, schedules, fetches and selects pages, and why a fetched page is not an indexed one.
Crawler identity · Product token · Identification string · Crawl frontier · Crawl queue · Crawl scheduler · Seed URL · URL discovery · Link extraction · Recrawl interval · Crawl frequency · Host politeness · Crawl rate · Crawl-delay · Robots group merging · Longest-match rule · Wildcard rule · End-anchor rule · Robots cache · Robots parse error · Robots redirect · Robots unavailable · Sitemap · Sitemap URL set · Sitemap lastmod · Sitemap hreflang · Video sitemap · News sitemap · Canonical cluster · Duplicate cluster · Index selection · Crawl demand · Rendering queue · Rendered HTML · Indexing pipeline · Index freshness · Index lag · Deindexing · Removal request · URL inspection · Crawl anomaly · Bot spoofing · Shared IP range · Web Bot Auth
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